NANNOCHAEAX. 285 



2^ times as long as deep. Scales 52-57 ^1, 4-5 between lateral line 

 and root of ventral. Yellowish, with 8 or 9 brown bars across the back, 

 alternating with a series of more or less distinct large dark spots on 

 each side of the body, on the lateral line ; a small brown spot between 

 the anterior rays of the dorsal, a larger one at the base of the caudal, 

 and one or two small ones on each lobe of this fin. 



Total length 68 millim. 



Upper Congo. — Types in Congo Museum, Tervueren. 



1-2. Two of the types. Between New Antwerp and Major Weyns (0.). 



Stanley Falls. 

 3. Ad. Lindi River. M. M. Storms (C.) ; 



Brussels Museum (P.). 



7. NANNOCHAEAX OOELLIOAUDA. 

 Bouleng. Ann. & Mag. N. H. (7) xx. 1907, p. 485. 



Depth of body 4^ to 5 times in total length, length of head 4 times. 

 Head twice as long as broad, deeper than broad ; snout rounded, feebly 

 projecting, a little shorter than eye, which equals length of postorbital 

 part of head and interorbital width. Gill-rakers short and few. 

 Dorsal III 9-10, originating above root of ventrals, equally distant from 

 eye and from root of caudal ; longest ray about f length of head. 

 Anal III 9. Pectoral much shorter than head, not reaching root of 



Fig. 219. 



Nannocharax ocellicauda. 

 Type. X |. 



ventral. Lobes of caudal acutely pointed. Caudal peduncle once and 

 i as long as deep. Scales 50 gt, 5 between lateral line series and root 

 of ventral ; lateral line incomplete, reduced to a few tubules. Yellowish 

 in spirit, with a large black, light-edged ocellus at the root of the 

 caudal fin ; vertical fins greyish, dorsal black-edged in front. 



Total length 35 millim. 



South Cameroon. 

 1-2. Types. Ja River (Congo System). Gr. L. Bates, Esq. (C). 



